#include <iostream> //输入输出流头文件
#include <cstring>
#include <cstdlib>

int main()
{
    int a = 0;
    double b ;
    const char *s = "hello";
    //std::endl;//1.输出一个\n,2.刷新缓存区
    std::cin >> a >> b;
    std::cout << a <<" "<< b<<std::endl;
    
    return 0;
}